snd_soc_unregister_dai(dev);
}
+/**
+ * snd_soc_register_component - Register a component with the ASoC core
+ *
+ */
+static int
+__snd_soc_register_component(struct device *dev,
+ struct snd_soc_component *cmpnt,
+ const struct snd_soc_component_driver *cmpnt_drv,
+ struct snd_soc_dai_driver *dai_drv,
+ int num_dai, bool allow_single_dai)
+{
+ int ret;
+
+ dev_dbg(dev, "component register %s\n", dev_name(dev));
+
+ if (!cmpnt) {
+ dev_err(dev, "ASoC: Failed to connecting component\n");
+ return -ENOMEM;
+ }
+
+ cmpnt->name = fmt_single_name(dev, &cmpnt->id);
+ if (!cmpnt->name) {
+ dev_err(dev, "ASoC: Failed to simplifying name\n");
+ return -ENOMEM;
+ }
+
+ cmpnt->dev = dev;
+ cmpnt->driver = cmpnt_drv;
+ cmpnt->num_dai = num_dai;
+
+ /*
+ * snd_soc_register_dai() uses fmt_single_name(), and
+ * snd_soc_register_dais() uses fmt_multiple_name()
+ * for dai->name which is used for name based matching
+ *
+ * this function is used from cpu/codec.
+ * allow_single_dai flag can ignore "codec" driver reworking
+ * since it had been used snd_soc_register_dais(),
+ */
+ if ((1 == num_dai) && allow_single_dai)
+ ret = snd_soc_register_dai(dev, dai_drv);
+ else
+ ret = snd_soc_register_dais(dev, dai_drv, num_dai);
+ if (ret < 0) {
+ dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret);
+ goto error_component_name;
+ }
+
+ mutex_lock(&client_mutex);
+ list_add(&cmpnt->list, &component_list);
+ mutex_unlock(&client_mutex);
+
+ dev_dbg(cmpnt->dev, "ASoC: Registered component '%s'\n", cmpnt->name);
+
+ return ret;
+
+error_component_name:
+ kfree(cmpnt->name);
+
+ return ret;
+}
+
+int snd_soc_register_component(struct device *dev,
+ const struct snd_soc_component_driver *cmpnt_drv,
+ struct snd_soc_dai_driver *dai_drv,
+ int num_dai)
+{
+ struct snd_soc_component *cmpnt;
+
+ cmpnt = devm_kzalloc(dev, sizeof(*cmpnt), GFP_KERNEL);
+ if (!cmpnt) {
+ dev_err(dev, "ASoC: Failed to allocate memory\n");
+ return -ENOMEM;
+ }
+
+ return __snd_soc_register_component(dev, cmpnt, cmpnt_drv,
+ dai_drv, num_dai, true);
+}
+EXPORT_SYMBOL_GPL(snd_soc_register_component);
+
+/**
+ * snd_soc_unregister_component - Unregister a component from the ASoC core
+ *
+ */
+void snd_soc_unregister_component(struct device *dev)
+{
+ struct snd_soc_component *cmpnt;
+
+ list_for_each_entry(cmpnt, &component_list, list) {
+ if (dev == cmpnt->dev)
+ goto found;
+ }
+ return;
+
+found:
+ snd_soc_unregister_dais(dev, cmpnt->num_dai);
+
+ mutex_lock(&client_mutex);
+ list_del(&cmpnt->list);
+ mutex_unlock(&client_mutex);
+
+ dev_dbg(dev, "ASoC: Unregistered component '%s'\n", cmpnt->name);
+ kfree(cmpnt->name);
+}
+EXPORT_SYMBOL_GPL(snd_soc_unregister_component);
+
/**
* snd_soc_add_platform - Add a platform to the ASoC core
* @dev: The parent device for the platform
list_add(&codec->list, &codec_list);
mutex_unlock(&client_mutex);
- /* register any DAIs */
- ret = snd_soc_register_dais(dev, dai_drv, num_dai);
+ /* register component */
+ ret = __snd_soc_register_component(dev, &codec->component,
+ &codec_drv->component_driver,
+ dai_drv, num_dai, false);
if (ret < 0) {
- dev_err(codec->dev, "ASoC: Failed to regster DAIs: %d\n", ret);
+ dev_err(codec->dev, "ASoC: Failed to regster component: %d\n", ret);
goto fail_codec_name;
}
return;
found:
- snd_soc_unregister_dais(dev, codec->num_dai);
+ snd_soc_unregister_component(dev);
mutex_lock(&client_mutex);
list_del(&codec->list);
}
EXPORT_SYMBOL_GPL(snd_soc_unregister_codec);
-
-/**
- * snd_soc_register_component - Register a component with the ASoC core
- *
- */
-int snd_soc_register_component(struct device *dev,
- const struct snd_soc_component_driver *cmpnt_drv,
- struct snd_soc_dai_driver *dai_drv,
- int num_dai)
-{
- struct snd_soc_component *cmpnt;
- int ret;
-
- dev_dbg(dev, "component register %s\n", dev_name(dev));
-
- cmpnt = devm_kzalloc(dev, sizeof(*cmpnt), GFP_KERNEL);
- if (!cmpnt) {
- dev_err(dev, "ASoC: Failed to allocate memory\n");
- return -ENOMEM;
- }
-
- cmpnt->name = fmt_single_name(dev, &cmpnt->id);
- if (!cmpnt->name) {
- dev_err(dev, "ASoC: Failed to simplifying name\n");
- return -ENOMEM;
- }
-
- cmpnt->dev = dev;
- cmpnt->driver = cmpnt_drv;
- cmpnt->num_dai = num_dai;
-
- /*
- * snd_soc_register_dai() uses fmt_single_name(), and
- * snd_soc_register_dais() uses fmt_multiple_name()
- * for dai->name which is used for name based matching
- */
- if (1 == num_dai)
- ret = snd_soc_register_dai(dev, dai_drv);
- else
- ret = snd_soc_register_dais(dev, dai_drv, num_dai);
- if (ret < 0) {
- dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret);
- goto error_component_name;
- }
-
- mutex_lock(&client_mutex);
- list_add(&cmpnt->list, &component_list);
- mutex_unlock(&client_mutex);
-
- dev_dbg(cmpnt->dev, "ASoC: Registered component '%s'\n", cmpnt->name);
-
- return ret;
-
-error_component_name:
- kfree(cmpnt->name);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(snd_soc_register_component);
-
-/**
- * snd_soc_unregister_component - Unregister a component from the ASoC core
- *
- */
-void snd_soc_unregister_component(struct device *dev)
-{
- struct snd_soc_component *cmpnt;
-
- list_for_each_entry(cmpnt, &component_list, list) {
- if (dev == cmpnt->dev)
- goto found;
- }
- return;
-
-found:
- snd_soc_unregister_dais(dev, cmpnt->num_dai);
-
- mutex_lock(&client_mutex);
- list_del(&cmpnt->list);
- mutex_unlock(&client_mutex);
-
- dev_dbg(dev, "ASoC: Unregistered component '%s'\n", cmpnt->name);
- kfree(cmpnt->name);
-}
-EXPORT_SYMBOL_GPL(snd_soc_unregister_component);
-
/* Retrieve a card's name from device tree */
int snd_soc_of_parse_card_name(struct snd_soc_card *card,
const char *propname)
}
EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt);
+int snd_soc_of_get_dai_name(struct device_node *of_node,
+ const char **dai_name)
+{
+ struct snd_soc_component *pos;
+ struct of_phandle_args args;
+ int ret;
+
+ ret = of_parse_phandle_with_args(of_node, "sound-dai",
+ "#sound-dai-cells", 0, &args);
+ if (ret)
+ return ret;
+
+ ret = -EPROBE_DEFER;
+
+ mutex_lock(&client_mutex);
+ list_for_each_entry(pos, &component_list, list) {
+ if (pos->dev->of_node != args.np)
+ continue;
+
+ if (!pos->driver->of_xlate_dai_name) {
+ ret = -ENOSYS;
+ break;
+ }
+
+ ret = pos->driver->of_xlate_dai_name(pos, &args, dai_name);
+ break;
+ }
+ mutex_unlock(&client_mutex);
+
+ of_node_put(args.np);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_name);
+
static int __init snd_soc_init(void)
{
#ifdef CONFIG_DEBUG_FS
git.openpandora.org / pandora-kernel.git / blobdiff